Marion Cotillard Breaks her Dior Streak in Mary Katrantzou

The actress debuted a new designer at a screening of her latest film, The Immigrant.

Last night, Marion Cotillard hit the red carpet for The Cinema Society's screening of her film, James Gray's The Immigrant, with a surprise up her sleeve (literally). Instead of opting for her go-to Dior, Cotillard selected a knee-length Swiss lace frock from Mary Katrantzou's much-lauded fall collection. Outside of the rare appearance in Preen or Alexander McQueen, the Dior ambassadress rarely strays from the brand—just the night before, she wore Dior couture to the Met Gala. For those who prefer Cotillard in Dior's simple elegance, fear not—she changed into a red silk number from the house for the screening's after-party at Beautique.

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